Mohsin Hayat Résumé
Senior Software Engineer specializing in Applied AI and Backend Systems
Lahore, Pakistan · mohsinhayat104@gmail.com · GitHub · LinkedIn
Summary
Senior Software Engineer with 6+ years of international remote experience building production backend and applied AI systems across airline, e-commerce, and healthcare platforms. I build systems that make complex workflows more useful, reliable, and understandable.
Core skills
Languages: Python, TypeScript, JavaScript, SQL
Applied AI: LangGraph, LangChain, multi-agent systems, NL-to-SQL, RAG, agent orchestration, model routing, OpenAI API, Anthropic Claude, Pinecone
Backend and data: Node.js, FastAPI, Express.js, GraphQL, REST, PostgreSQL, MongoDB, ArangoDB, ClickHouse, Redis
Cloud and architecture: AWS, GCP, Docker, Kubernetes, GitHub Actions, GitLab CI/CD, microservices, event sourcing, CQRS
Experience
OnService.AI — Senior Software Engineer
July 2026 – Present · Remote (United States)
- Building production conversational AI experiences for World2Fly and LASER Airlines across Python services, LLM agents, and airline booking workflows.
- Integrating conversational agents with KIU PSS and related airline workflows for booking information, payments, check-in, flight changes, ancillary services, and passenger support.
Trafilea Tech E-commerce Group — AI Engineer
June 2025 – July 2026 · Remote (United States)
- Built a production NL-to-SQL agent used by leadership and marketing teams to query campaign data across 30+ tables in plain English.
- Architected a three-level hierarchical LangGraph budget copilot reasoning in the context of approximately $5M/month in advertising spend across brands, countries, and channels.
- Built an AI ingestion pipeline from AWS SNS through SQS to ClickHouse for multi-gigabyte advertising datasets and long-running LangGraph recommendation workflows.
Awell Health — Senior Software Engineer
April 2021 – May 2025 · Remote (Belgium)
- Owned core APIs across orchestration, task management, and workflow design, helping scale the platform to 100K+ clinical workflows per month.
- Designed and implemented event-driven architecture using CQRS, and contributed to hosted-pages , ui-library , and awell-extensions .
Earlier experience
Tintash, Software Engineer (July 2020 – April 2021) · Built full-stack interactive and booking products with Node.js and React.
SolutionInn, Web Developer Intern (June 2019 – October 2019) · Built real-time tutoring features across Node.js, React, Socket.io, PHP, MySQL, and iOS.
Respond.io, Frontend Developer Intern (July 2018 – September 2018) · Built Vue and Vuex product features, a Preact webchat plugin, Socket.io integrations, and Node.js APIs.
Upwork & Fiverr, Freelance Product Engineer (July 2016 – September 2018) · Delivered 15+ MVPs for international clients and achieved Top Rated status on Upwork.
Selected projects
SnippetGraph
A governed, versioned knowledge-base authoring and publishing platform for AI-agent context. Snippets are composed into pages and published as immutable, hash-verified Git release artifacts through the GitHub GraphQL API.
FirstCustomer
A CI-native browser agent that maps pull-request changes to affected user flows, tests real product paths with personas, and returns a confidence-scored release-risk assessment.
Education and achievements
Bachelor of Science in Computer Science — National University of Computer and Emerging Sciences (FAST-NUCES), Lahore, Pakistan (2016–2020)
- Bronze Medalist, third in cohort, and Dean’s List honoree.
- First place in an ACM programming competition at FAST-NUCES.
- 11th place at ICPC Asia Regionals 2019.
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